21291360

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{44357}}^1$

素因数の和:44375

約数の個数: 48

約数和(自身を含む): 67069296

約数和(自身を除く): 45777936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 44357, 88714, 133071, 177428, 221785, 266142, 354856, 443570, 532284, 665355, 709712, 887140, 1064568, 1330710, 1419424, 1774280, 2129136, 2661420, 3548560, 4258272, 5322840, 7097120, 10645680, 21291360]

約数ペア:

[(1, 21291360), (2, 10645680), (3, 7097120), (4, 5322840), (5, 4258272), (6, 3548560), (8, 2661420), (10, 2129136), (12, 1774280), (15, 1419424), (16, 1330710), (20, 1064568), (24, 887140), (30, 709712), (32, 665355), (40, 532284), (48, 443570), (60, 354856), (80, 266142), (96, 221785), (120, 177428), (160, 133071), (240, 88714), (480, 44357)]