21247107672

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{15199}}^1$

素因数の和:15425

約数の個数: 128

約数和(自身を含む): 62249472000

約数和(自身を除く): 41002364328

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 53, 56, 84, 106, 157, 159, 168, 212, 314, 318, 371, 424, 471, 628, 636, 742, 942, 1099, 1113, 1256, 1272, 1484, 1884, 2198, 2226, 2968, 3297, 3768, 4396, 4452, 6594, 8321, 8792, 8904, 13188, 15199, 16642, 24963, 26376, 30398, 33284, 45597, 49926, 58247, 60796, 66568, 91194, 99852, 106393, 116494, 121592, 174741, 182388, 199704, 212786, 232988, 319179, 349482, 364776, 425572, 465976, 638358, 698964, 805547, 851144, 1276716, 1397928, 1611094, 2386243, 2416641, 2553432, 3222188, 4772486, 4833282, 5638829, 6444376, 7158729, 9544972, 9666564, 11277658, 14317458, 16703701, 16916487, 19089944, 19333128, 22555316, 28634916, 33407402, 33832974, 45110632, 50111103, 57269832, 66814804, 67665948, 100222206, 126470879, 133629608, 135331896, 200444412, 252941758, 379412637, 400888824, 505883516, 758825274, 885296153, 1011767032, 1517650548, 1770592306, 2655888459, 3035301096, 3541184612, 5311776918, 7082369224, 10623553836, 21247107672]

約数ペア:

[(1, 21247107672), (2, 10623553836), (3, 7082369224), (4, 5311776918), (6, 3541184612), (7, 3035301096), (8, 2655888459), (12, 1770592306), (14, 1517650548), (21, 1011767032), (24, 885296153), (28, 758825274), (42, 505883516), (53, 400888824), (56, 379412637), (84, 252941758), (106, 200444412), (157, 135331896), (159, 133629608), (168, 126470879), (212, 100222206), (314, 67665948), (318, 66814804), (371, 57269832), (424, 50111103), (471, 45110632), (628, 33832974), (636, 33407402), (742, 28634916), (942, 22555316), (1099, 19333128), (1113, 19089944), (1256, 16916487), (1272, 16703701), (1484, 14317458), (1884, 11277658), (2198, 9666564), (2226, 9544972), (2968, 7158729), (3297, 6444376), (3768, 5638829), (4396, 4833282), (4452, 4772486), (6594, 3222188), (8321, 2553432), (8792, 2416641), (8904, 2386243), (13188, 1611094), (15199, 1397928), (16642, 1276716), (24963, 851144), (26376, 805547), (30398, 698964), (33284, 638358), (45597, 465976), (49926, 425572), (58247, 364776), (60796, 349482), (66568, 319179), (91194, 232988), (99852, 212786), (106393, 199704), (116494, 182388), (121592, 174741)]