21959136

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{4013}}^1$

素因数の和:4048

約数の個数: 72

約数和(自身を含む): 65749320

約数和(自身を除く): 43790184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 72, 76, 96, 114, 144, 152, 171, 228, 288, 304, 342, 456, 608, 684, 912, 1368, 1824, 2736, 4013, 5472, 8026, 12039, 16052, 24078, 32104, 36117, 48156, 64208, 72234, 76247, 96312, 128416, 144468, 152494, 192624, 228741, 288936, 304988, 385248, 457482, 577872, 609976, 686223, 914964, 1155744, 1219952, 1372446, 1829928, 2439904, 2744892, 3659856, 5489784, 7319712, 10979568, 21959136]

約数ペア:

[(1, 21959136), (2, 10979568), (3, 7319712), (4, 5489784), (6, 3659856), (8, 2744892), (9, 2439904), (12, 1829928), (16, 1372446), (18, 1219952), (19, 1155744), (24, 914964), (32, 686223), (36, 609976), (38, 577872), (48, 457482), (57, 385248), (72, 304988), (76, 288936), (96, 228741), (114, 192624), (144, 152494), (152, 144468), (171, 128416), (228, 96312), (288, 76247), (304, 72234), (342, 64208), (456, 48156), (608, 36117), (684, 32104), (912, 24078), (1368, 16052), (1824, 12039), (2736, 8026), (4013, 5472)]