21019864464

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{247829}}^1$

素因数の和:247893

約数の個数: 120

約数和(自身を含む): 63920313600

約数和(自身を除く): 42900449136

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 31, 36, 38, 48, 57, 62, 72, 76, 93, 114, 124, 144, 152, 171, 186, 228, 248, 279, 304, 342, 372, 456, 496, 558, 589, 684, 744, 912, 1116, 1178, 1368, 1488, 1767, 2232, 2356, 2736, 3534, 4464, 4712, 5301, 7068, 9424, 10602, 14136, 21204, 28272, 42408, 84816, 247829, 495658, 743487, 991316, 1486974, 1982632, 2230461, 2973948, 3965264, 4460922, 4708751, 5947896, 7682699, 8921844, 9417502, 11895792, 14126253, 15365398, 17843688, 18835004, 23048097, 28252506, 30730796, 35687376, 37670008, 42378759, 46096194, 56505012, 61461592, 69144291, 75340016, 84757518, 92192388, 113010024, 122923184, 138288582, 145971281, 169515036, 184384776, 226020048, 276577164, 291942562, 339030072, 368769552, 437913843, 553154328, 583885124, 678060144, 875827686, 1106308656, 1167770248, 1313741529, 1751655372, 2335540496, 2627483058, 3503310744, 5254966116, 7006621488, 10509932232, 21019864464]

約数ペア:

[(1, 21019864464), (2, 10509932232), (3, 7006621488), (4, 5254966116), (6, 3503310744), (8, 2627483058), (9, 2335540496), (12, 1751655372), (16, 1313741529), (18, 1167770248), (19, 1106308656), (24, 875827686), (31, 678060144), (36, 583885124), (38, 553154328), (48, 437913843), (57, 368769552), (62, 339030072), (72, 291942562), (76, 276577164), (93, 226020048), (114, 184384776), (124, 169515036), (144, 145971281), (152, 138288582), (171, 122923184), (186, 113010024), (228, 92192388), (248, 84757518), (279, 75340016), (304, 69144291), (342, 61461592), (372, 56505012), (456, 46096194), (496, 42378759), (558, 37670008), (589, 35687376), (684, 30730796), (744, 28252506), (912, 23048097), (1116, 18835004), (1178, 17843688), (1368, 15365398), (1488, 14126253), (1767, 11895792), (2232, 9417502), (2356, 8921844), (2736, 7682699), (3534, 5947896), (4464, 4708751), (4712, 4460922), (5301, 3965264), (7068, 2973948), (9424, 2230461), (10602, 1982632), (14136, 1486974), (21204, 991316), (28272, 743487), (42408, 495658), (84816, 247829)]