21522752

素因数分解:

$2^6\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:259

約数の個数: 56

約数和(自身を含む): 44881800

約数和(自身を除く): 23359048

約数列:

[1, 2, 4, 8, 16, 32, 37, 61, 64, 74, 122, 148, 149, 244, 296, 298, 488, 592, 596, 976, 1184, 1192, 1952, 2257, 2368, 2384, 3904, 4514, 4768, 5513, 9028, 9089, 9536, 11026, 18056, 18178, 22052, 36112, 36356, 44104, 72224, 72712, 88208, 144448, 145424, 176416, 290848, 336293, 352832, 581696, 672586, 1345172, 2690344, 5380688, 10761376, 21522752]

約数ペア:

[(1, 21522752), (2, 10761376), (4, 5380688), (8, 2690344), (16, 1345172), (32, 672586), (37, 581696), (61, 352832), (64, 336293), (74, 290848), (122, 176416), (148, 145424), (149, 144448), (244, 88208), (296, 72712), (298, 72224), (488, 44104), (592, 36356), (596, 36112), (976, 22052), (1184, 18178), (1192, 18056), (1952, 11026), (2257, 9536), (2368, 9089), (2384, 9028), (3904, 5513), (4514, 4768)]