21938149380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{218551}}^1$

素因数の和:218809

約数の個数: 96

約数和(自身を含む): 70496133120

約数和(自身を除く): 48557983740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 239, 420, 478, 717, 956, 1195, 1434, 1673, 2390, 2868, 3346, 3585, 4780, 5019, 6692, 7170, 8365, 10038, 14340, 16730, 20076, 25095, 33460, 50190, 100380, 218551, 437102, 655653, 874204, 1092755, 1311306, 1529857, 2185510, 2622612, 3059714, 3278265, 4371020, 4589571, 6119428, 6556530, 7649285, 9179142, 13113060, 15298570, 18358284, 22947855, 30597140, 45895710, 52233689, 91791420, 104467378, 156701067, 208934756, 261168445, 313402134, 365635823, 522336890, 626804268, 731271646, 783505335, 1044673780, 1096907469, 1462543292, 1567010670, 1828179115, 2193814938, 3134021340, 3656358230, 4387629876, 5484537345, 7312716460, 10969074690, 21938149380]

約数ペア:

[(1, 21938149380), (2, 10969074690), (3, 7312716460), (4, 5484537345), (5, 4387629876), (6, 3656358230), (7, 3134021340), (10, 2193814938), (12, 1828179115), (14, 1567010670), (15, 1462543292), (20, 1096907469), (21, 1044673780), (28, 783505335), (30, 731271646), (35, 626804268), (42, 522336890), (60, 365635823), (70, 313402134), (84, 261168445), (105, 208934756), (140, 156701067), (210, 104467378), (239, 91791420), (420, 52233689), (478, 45895710), (717, 30597140), (956, 22947855), (1195, 18358284), (1434, 15298570), (1673, 13113060), (2390, 9179142), (2868, 7649285), (3346, 6556530), (3585, 6119428), (4780, 4589571), (5019, 4371020), (6692, 3278265), (7170, 3059714), (8365, 2622612), (10038, 2185510), (14340, 1529857), (16730, 1311306), (20076, 1092755), (25095, 874204), (33460, 655653), (50190, 437102), (100380, 218551)]