21870996

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1$

素因数の和:309

約数の個数: 96

約数和(自身を含む): 62103552

約数和(自身を除く): 40232556

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 37, 42, 62, 74, 84, 93, 111, 124, 148, 186, 217, 222, 227, 259, 372, 434, 444, 454, 518, 651, 681, 777, 868, 908, 1036, 1147, 1302, 1362, 1554, 1589, 2294, 2604, 2724, 3108, 3178, 3441, 4588, 4767, 6356, 6882, 7037, 8029, 8399, 9534, 13764, 14074, 16058, 16798, 19068, 21111, 24087, 25197, 28148, 32116, 33596, 42222, 48174, 49259, 50394, 58793, 84444, 96348, 98518, 100788, 117586, 147777, 176379, 197036, 235172, 260369, 295554, 352758, 520738, 591108, 705516, 781107, 1041476, 1562214, 1822583, 3124428, 3645166, 5467749, 7290332, 10935498, 21870996]

約数ペア:

[(1, 21870996), (2, 10935498), (3, 7290332), (4, 5467749), (6, 3645166), (7, 3124428), (12, 1822583), (14, 1562214), (21, 1041476), (28, 781107), (31, 705516), (37, 591108), (42, 520738), (62, 352758), (74, 295554), (84, 260369), (93, 235172), (111, 197036), (124, 176379), (148, 147777), (186, 117586), (217, 100788), (222, 98518), (227, 96348), (259, 84444), (372, 58793), (434, 50394), (444, 49259), (454, 48174), (518, 42222), (651, 33596), (681, 32116), (777, 28148), (868, 25197), (908, 24087), (1036, 21111), (1147, 19068), (1302, 16798), (1362, 16058), (1554, 14074), (1589, 13764), (2294, 9534), (2604, 8399), (2724, 8029), (3108, 7037), (3178, 6882), (3441, 6356), (4588, 4767)]