21472204

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 43214080

約数和(自身を除く): 21741876

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 103, 206, 211, 247, 412, 422, 494, 844, 988, 1339, 1957, 2678, 2743, 3914, 4009, 5356, 5486, 7828, 8018, 10972, 16036, 21733, 25441, 43466, 50882, 52117, 86932, 101764, 104234, 208468, 282529, 412927, 565058, 825854, 1130116, 1651708, 5368051, 10736102, 21472204]

約数ペア:

[(1, 21472204), (2, 10736102), (4, 5368051), (13, 1651708), (19, 1130116), (26, 825854), (38, 565058), (52, 412927), (76, 282529), (103, 208468), (206, 104234), (211, 101764), (247, 86932), (412, 52117), (422, 50882), (494, 43466), (844, 25441), (988, 21733), (1339, 16036), (1957, 10972), (2678, 8018), (2743, 7828), (3914, 5486), (4009, 5356)]