21013560

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19457}}^1$

素因数の和:19477

約数の個数: 64

約数和(自身を含む): 70048800

約数和(自身を除く): 49035240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 19457, 38914, 58371, 77828, 97285, 116742, 155656, 175113, 194570, 233484, 291855, 350226, 389140, 466968, 525339, 583710, 700452, 778280, 875565, 1050678, 1167420, 1400904, 1751130, 2101356, 2334840, 2626695, 3502260, 4202712, 5253390, 7004520, 10506780, 21013560]

約数ペア:

[(1, 21013560), (2, 10506780), (3, 7004520), (4, 5253390), (5, 4202712), (6, 3502260), (8, 2626695), (9, 2334840), (10, 2101356), (12, 1751130), (15, 1400904), (18, 1167420), (20, 1050678), (24, 875565), (27, 778280), (30, 700452), (36, 583710), (40, 525339), (45, 466968), (54, 389140), (60, 350226), (72, 291855), (90, 233484), (108, 194570), (120, 175113), (135, 155656), (180, 116742), (216, 97285), (270, 77828), (360, 58371), (540, 38914), (1080, 19457)]