21253050

素因数分解:

$2^1\times 3^3\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1$

素因数の和:214

約数の個数: 192

約数和(自身を含む): 72495360

約数和(自身を除く): 51242310

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 25, 26, 27, 30, 35, 39, 42, 45, 50, 54, 63, 65, 70, 75, 78, 90, 91, 105, 117, 126, 130, 135, 150, 173, 175, 182, 189, 195, 210, 225, 234, 270, 273, 315, 325, 346, 350, 351, 378, 390, 450, 455, 519, 525, 546, 585, 630, 650, 675, 702, 819, 865, 910, 945, 975, 1038, 1050, 1170, 1211, 1350, 1365, 1557, 1575, 1638, 1730, 1755, 1890, 1950, 2249, 2275, 2422, 2457, 2595, 2730, 2925, 3114, 3150, 3510, 3633, 4095, 4325, 4498, 4550, 4671, 4725, 4914, 5190, 5850, 6055, 6747, 6825, 7266, 7785, 8190, 8650, 8775, 9342, 9450, 10899, 11245, 12110, 12285, 12975, 13494, 13650, 15570, 15743, 17550, 18165, 20241, 20475, 21798, 22490, 23355, 24570, 25950, 30275, 31486, 32697, 33735, 36330, 38925, 40482, 40950, 46710, 47229, 54495, 56225, 60550, 60723, 61425, 65394, 67470, 77850, 78715, 90825, 94458, 101205, 108990, 112450, 116775, 121446, 122850, 141687, 157430, 163485, 168675, 181650, 202410, 233550, 236145, 272475, 283374, 303615, 326970, 337350, 393575, 425061, 472290, 506025, 544950, 607230, 708435, 787150, 817425, 850122, 1012050, 1180725, 1416870, 1518075, 1634850, 2125305, 2361450, 3036150, 3542175, 4250610, 7084350, 10626525, 21253050]

約数ペア:

[(1, 21253050), (2, 10626525), (3, 7084350), (5, 4250610), (6, 3542175), (7, 3036150), (9, 2361450), (10, 2125305), (13, 1634850), (14, 1518075), (15, 1416870), (18, 1180725), (21, 1012050), (25, 850122), (26, 817425), (27, 787150), (30, 708435), (35, 607230), (39, 544950), (42, 506025), (45, 472290), (50, 425061), (54, 393575), (63, 337350), (65, 326970), (70, 303615), (75, 283374), (78, 272475), (90, 236145), (91, 233550), (105, 202410), (117, 181650), (126, 168675), (130, 163485), (135, 157430), (150, 141687), (173, 122850), (175, 121446), (182, 116775), (189, 112450), (195, 108990), (210, 101205), (225, 94458), (234, 90825), (270, 78715), (273, 77850), (315, 67470), (325, 65394), (346, 61425), (350, 60723), (351, 60550), (378, 56225), (390, 54495), (450, 47229), (455, 46710), (519, 40950), (525, 40482), (546, 38925), (585, 36330), (630, 33735), (650, 32697), (675, 31486), (702, 30275), (819, 25950), (865, 24570), (910, 23355), (945, 22490), (975, 21798), (1038, 20475), (1050, 20241), (1170, 18165), (1211, 17550), (1350, 15743), (1365, 15570), (1557, 13650), (1575, 13494), (1638, 12975), (1730, 12285), (1755, 12110), (1890, 11245), (1950, 10899), (2249, 9450), (2275, 9342), (2422, 8775), (2457, 8650), (2595, 8190), (2730, 7785), (2925, 7266), (3114, 6825), (3150, 6747), (3510, 6055), (3633, 5850), (4095, 5190), (4325, 4914), (4498, 4725), (4550, 4671)]