21468762

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{101}}^1\times {\mathrm{241}}^1$

素因数の和:364

約数の個数: 72

約数和(自身を含む): 54872532

約数和(自身を除く): 33403770

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 101, 126, 147, 202, 241, 294, 303, 441, 482, 606, 707, 723, 882, 909, 1414, 1446, 1687, 1818, 2121, 2169, 3374, 4242, 4338, 4949, 5061, 6363, 9898, 10122, 11809, 12726, 14847, 15183, 23618, 24341, 29694, 30366, 35427, 44541, 48682, 70854, 73023, 89082, 106281, 146046, 170387, 212562, 219069, 340774, 438138, 511161, 1022322, 1192709, 1533483, 2385418, 3066966, 3578127, 7156254, 10734381, 21468762]

約数ペア:

[(1, 21468762), (2, 10734381), (3, 7156254), (6, 3578127), (7, 3066966), (9, 2385418), (14, 1533483), (18, 1192709), (21, 1022322), (42, 511161), (49, 438138), (63, 340774), (98, 219069), (101, 212562), (126, 170387), (147, 146046), (202, 106281), (241, 89082), (294, 73023), (303, 70854), (441, 48682), (482, 44541), (606, 35427), (707, 30366), (723, 29694), (882, 24341), (909, 23618), (1414, 15183), (1446, 14847), (1687, 12726), (1818, 11809), (2121, 10122), (2169, 9898), (3374, 6363), (4242, 5061), (4338, 4949)]