21376908

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2069}}^1$

素因数の和:2127

約数の個数: 72

約数和(自身を含む): 63292320

約数和(自身を除く): 41915412

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 41, 42, 63, 82, 84, 123, 126, 164, 246, 252, 287, 369, 492, 574, 738, 861, 1148, 1476, 1722, 2069, 2583, 3444, 4138, 5166, 6207, 8276, 10332, 12414, 14483, 18621, 24828, 28966, 37242, 43449, 57932, 74484, 84829, 86898, 130347, 169658, 173796, 254487, 260694, 339316, 508974, 521388, 593803, 763461, 1017948, 1187606, 1526922, 1781409, 2375212, 3053844, 3562818, 5344227, 7125636, 10688454, 21376908]

約数ペア:

[(1, 21376908), (2, 10688454), (3, 7125636), (4, 5344227), (6, 3562818), (7, 3053844), (9, 2375212), (12, 1781409), (14, 1526922), (18, 1187606), (21, 1017948), (28, 763461), (36, 593803), (41, 521388), (42, 508974), (63, 339316), (82, 260694), (84, 254487), (123, 173796), (126, 169658), (164, 130347), (246, 86898), (252, 84829), (287, 74484), (369, 57932), (492, 43449), (574, 37242), (738, 28966), (861, 24828), (1148, 18621), (1476, 14483), (1722, 12414), (2069, 10332), (2583, 8276), (3444, 6207), (4138, 5166)]