21715696788

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^2\times {\mathrm{42641}}^1$

素因数の和:42753

約数の個数: 72

約数和(自身を含む): 53757575424

約数和(自身を除く): 32041878636

約数列:

[1, 2, 3, 4, 6, 12, 31, 37, 62, 74, 93, 111, 124, 148, 186, 222, 372, 444, 1147, 1369, 2294, 2738, 3441, 4107, 4588, 5476, 6882, 8214, 13764, 16428, 42439, 42641, 84878, 85282, 127317, 127923, 169756, 170564, 254634, 255846, 509268, 511692, 1321871, 1577717, 2643742, 3155434, 3965613, 4733151, 5287484, 6310868, 7931226, 9466302, 15862452, 18932604, 48909227, 58375529, 97818454, 116751058, 146727681, 175126587, 195636908, 233502116, 293455362, 350253174, 586910724, 700506348, 1809641399, 3619282798, 5428924197, 7238565596, 10857848394, 21715696788]

約数ペア:

[(1, 21715696788), (2, 10857848394), (3, 7238565596), (4, 5428924197), (6, 3619282798), (12, 1809641399), (31, 700506348), (37, 586910724), (62, 350253174), (74, 293455362), (93, 233502116), (111, 195636908), (124, 175126587), (148, 146727681), (186, 116751058), (222, 97818454), (372, 58375529), (444, 48909227), (1147, 18932604), (1369, 15862452), (2294, 9466302), (2738, 7931226), (3441, 6310868), (4107, 5287484), (4588, 4733151), (5476, 3965613), (6882, 3155434), (8214, 2643742), (13764, 1577717), (16428, 1321871), (42439, 511692), (42641, 509268), (84878, 255846), (85282, 254634), (127317, 170564), (127923, 169756)]