21732900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:234

約数の個数: 144

約数和(自身を含む): 73328640

約数和(自身を除く): 51595740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 79, 84, 100, 105, 131, 140, 150, 158, 175, 210, 237, 262, 300, 316, 350, 393, 395, 420, 474, 524, 525, 553, 655, 700, 786, 790, 917, 948, 1050, 1106, 1185, 1310, 1572, 1580, 1659, 1834, 1965, 1975, 2100, 2212, 2370, 2620, 2751, 2765, 3275, 3318, 3668, 3930, 3950, 4585, 4740, 5502, 5530, 5925, 6550, 6636, 7860, 7900, 8295, 9170, 9825, 10349, 11004, 11060, 11850, 13100, 13755, 13825, 16590, 18340, 19650, 20698, 22925, 23700, 27510, 27650, 31047, 33180, 39300, 41396, 41475, 45850, 51745, 55020, 55300, 62094, 68775, 72443, 82950, 91700, 103490, 124188, 137550, 144886, 155235, 165900, 206980, 217329, 258725, 275100, 289772, 310470, 362215, 434658, 517450, 620940, 724430, 776175, 869316, 1034900, 1086645, 1448860, 1552350, 1811075, 2173290, 3104700, 3622150, 4346580, 5433225, 7244300, 10866450, 21732900]

約数ペア:

[(1, 21732900), (2, 10866450), (3, 7244300), (4, 5433225), (5, 4346580), (6, 3622150), (7, 3104700), (10, 2173290), (12, 1811075), (14, 1552350), (15, 1448860), (20, 1086645), (21, 1034900), (25, 869316), (28, 776175), (30, 724430), (35, 620940), (42, 517450), (50, 434658), (60, 362215), (70, 310470), (75, 289772), (79, 275100), (84, 258725), (100, 217329), (105, 206980), (131, 165900), (140, 155235), (150, 144886), (158, 137550), (175, 124188), (210, 103490), (237, 91700), (262, 82950), (300, 72443), (316, 68775), (350, 62094), (393, 55300), (395, 55020), (420, 51745), (474, 45850), (524, 41475), (525, 41396), (553, 39300), (655, 33180), (700, 31047), (786, 27650), (790, 27510), (917, 23700), (948, 22925), (1050, 20698), (1106, 19650), (1185, 18340), (1310, 16590), (1572, 13825), (1580, 13755), (1659, 13100), (1834, 11850), (1965, 11060), (1975, 11004), (2100, 10349), (2212, 9825), (2370, 9170), (2620, 8295), (2751, 7900), (2765, 7860), (3275, 6636), (3318, 6550), (3668, 5925), (3930, 5530), (3950, 5502), (4585, 4740)]