21859110

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1$

素因数の和:207

約数の個数: 192

約数和(自身を含む): 74535552

約数和(自身を除く): 52676442

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 17, 18, 21, 26, 30, 34, 35, 39, 42, 45, 51, 63, 65, 70, 78, 85, 90, 91, 102, 105, 117, 119, 126, 130, 153, 157, 170, 182, 195, 210, 221, 234, 238, 255, 273, 306, 314, 315, 357, 390, 442, 455, 471, 510, 546, 585, 595, 630, 663, 714, 765, 785, 819, 910, 942, 1071, 1099, 1105, 1170, 1190, 1326, 1365, 1413, 1530, 1547, 1570, 1638, 1785, 1989, 2041, 2142, 2198, 2210, 2355, 2669, 2730, 2826, 3094, 3297, 3315, 3570, 3978, 4082, 4095, 4641, 4710, 5338, 5355, 5495, 6123, 6594, 6630, 7065, 7735, 8007, 8190, 9282, 9891, 9945, 10205, 10710, 10990, 12246, 13345, 13923, 14130, 14287, 15470, 16014, 16485, 18369, 18683, 19782, 19890, 20410, 23205, 24021, 26690, 27846, 28574, 30615, 32970, 34697, 36738, 37366, 40035, 42861, 46410, 48042, 49455, 56049, 61230, 69394, 69615, 71435, 80070, 85722, 91845, 93415, 98910, 104091, 112098, 120105, 128583, 139230, 142870, 168147, 173485, 183690, 186830, 208182, 214305, 240210, 242879, 257166, 280245, 312273, 336294, 346970, 428610, 485758, 520455, 560490, 624546, 642915, 728637, 840735, 1040910, 1214395, 1285830, 1457274, 1561365, 1681470, 2185911, 2428790, 3122730, 3643185, 4371822, 7286370, 10929555, 21859110]

約数ペア:

[(1, 21859110), (2, 10929555), (3, 7286370), (5, 4371822), (6, 3643185), (7, 3122730), (9, 2428790), (10, 2185911), (13, 1681470), (14, 1561365), (15, 1457274), (17, 1285830), (18, 1214395), (21, 1040910), (26, 840735), (30, 728637), (34, 642915), (35, 624546), (39, 560490), (42, 520455), (45, 485758), (51, 428610), (63, 346970), (65, 336294), (70, 312273), (78, 280245), (85, 257166), (90, 242879), (91, 240210), (102, 214305), (105, 208182), (117, 186830), (119, 183690), (126, 173485), (130, 168147), (153, 142870), (157, 139230), (170, 128583), (182, 120105), (195, 112098), (210, 104091), (221, 98910), (234, 93415), (238, 91845), (255, 85722), (273, 80070), (306, 71435), (314, 69615), (315, 69394), (357, 61230), (390, 56049), (442, 49455), (455, 48042), (471, 46410), (510, 42861), (546, 40035), (585, 37366), (595, 36738), (630, 34697), (663, 32970), (714, 30615), (765, 28574), (785, 27846), (819, 26690), (910, 24021), (942, 23205), (1071, 20410), (1099, 19890), (1105, 19782), (1170, 18683), (1190, 18369), (1326, 16485), (1365, 16014), (1413, 15470), (1530, 14287), (1547, 14130), (1570, 13923), (1638, 13345), (1785, 12246), (1989, 10990), (2041, 10710), (2142, 10205), (2198, 9945), (2210, 9891), (2355, 9282), (2669, 8190), (2730, 8007), (2826, 7735), (3094, 7065), (3297, 6630), (3315, 6594), (3570, 6123), (3978, 5495), (4082, 5355), (4095, 5338), (4641, 4710)]