21851551185

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{823}}^1\times {\mathrm{911}}^1$

素因数の和:1838

約数の個数: 64

約数和(自身を含む): 36792852480

約数和(自身を除く): 14941301295

約数列:

[1, 3, 5, 15, 29, 67, 87, 145, 201, 335, 435, 823, 911, 1005, 1943, 2469, 2733, 4115, 4555, 5829, 9715, 12345, 13665, 23867, 26419, 29145, 55141, 61037, 71601, 79257, 119335, 132095, 165423, 183111, 275705, 305185, 358005, 396285, 749753, 827115, 915555, 1599089, 1770073, 2249259, 3748765, 4797267, 5310219, 7995445, 8850365, 11246295, 21742837, 23986335, 26551095, 50233451, 65228511, 108714185, 150700353, 251167255, 326142555, 753501765, 1456770079, 4370310237, 7283850395, 21851551185]

約数ペア:

[(1, 21851551185), (3, 7283850395), (5, 4370310237), (15, 1456770079), (29, 753501765), (67, 326142555), (87, 251167255), (145, 150700353), (201, 108714185), (335, 65228511), (435, 50233451), (823, 26551095), (911, 23986335), (1005, 21742837), (1943, 11246295), (2469, 8850365), (2733, 7995445), (4115, 5310219), (4555, 4797267), (5829, 3748765), (9715, 2249259), (12345, 1770073), (13665, 1599089), (23867, 915555), (26419, 827115), (29145, 749753), (55141, 396285), (61037, 358005), (71601, 305185), (79257, 275705), (119335, 183111), (132095, 165423)]