21573448

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{311}}^1$

素因数の和:382

約数の個数: 64

約数和(自身を含む): 47174400

約数和(自身を除く): 25600952

約数列:

[1, 2, 4, 8, 13, 23, 26, 29, 46, 52, 58, 92, 104, 116, 184, 232, 299, 311, 377, 598, 622, 667, 754, 1196, 1244, 1334, 1508, 2392, 2488, 2668, 3016, 4043, 5336, 7153, 8086, 8671, 9019, 14306, 16172, 17342, 18038, 28612, 32344, 34684, 36076, 57224, 69368, 72152, 92989, 117247, 185978, 207437, 234494, 371956, 414874, 468988, 743912, 829748, 937976, 1659496, 2696681, 5393362, 10786724, 21573448]

約数ペア:

[(1, 21573448), (2, 10786724), (4, 5393362), (8, 2696681), (13, 1659496), (23, 937976), (26, 829748), (29, 743912), (46, 468988), (52, 414874), (58, 371956), (92, 234494), (104, 207437), (116, 185978), (184, 117247), (232, 92989), (299, 72152), (311, 69368), (377, 57224), (598, 36076), (622, 34684), (667, 32344), (754, 28612), (1196, 18038), (1244, 17342), (1334, 16172), (1508, 14306), (2392, 9019), (2488, 8671), (2668, 8086), (3016, 7153), (4043, 5336)]