21363120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29671}}^1$

素因数の和:29690

約数の個数: 60

約数和(自身を含む): 71746896

約数和(自身を除く): 50383776

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 29671, 59342, 89013, 118684, 148355, 178026, 237368, 267039, 296710, 356052, 445065, 474736, 534078, 593420, 712104, 890130, 1068156, 1186840, 1335195, 1424208, 1780260, 2136312, 2373680, 2670390, 3560520, 4272624, 5340780, 7121040, 10681560, 21363120]

約数ペア:

[(1, 21363120), (2, 10681560), (3, 7121040), (4, 5340780), (5, 4272624), (6, 3560520), (8, 2670390), (9, 2373680), (10, 2136312), (12, 1780260), (15, 1424208), (16, 1335195), (18, 1186840), (20, 1068156), (24, 890130), (30, 712104), (36, 593420), (40, 534078), (45, 474736), (48, 445065), (60, 356052), (72, 296710), (80, 267039), (90, 237368), (120, 178026), (144, 148355), (180, 118684), (240, 89013), (360, 59342), (720, 29671)]