21820480

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6199}}^1$

素因数の和:6227

約数の個数: 56

約数和(自身を含む): 56692800

約数和(自身を除く): 34872320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 6199, 12398, 24796, 30995, 49592, 61990, 68189, 99184, 123980, 136378, 198368, 247960, 272756, 340945, 396736, 495920, 545512, 681890, 991840, 1091024, 1363780, 1983680, 2182048, 2727560, 4364096, 5455120, 10910240, 21820480]

約数ペア:

[(1, 21820480), (2, 10910240), (4, 5455120), (5, 4364096), (8, 2727560), (10, 2182048), (11, 1983680), (16, 1363780), (20, 1091024), (22, 991840), (32, 681890), (40, 545512), (44, 495920), (55, 396736), (64, 340945), (80, 272756), (88, 247960), (110, 198368), (160, 136378), (176, 123980), (220, 99184), (320, 68189), (352, 61990), (440, 49592), (704, 30995), (880, 24796), (1760, 12398), (3520, 6199)]