21428010

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4177}}^1$

素因数の和:4212

約数の個数: 64

約数和(自身を含む): 60163200

約数和(自身を除く): 38735190

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 90, 95, 114, 135, 171, 190, 270, 285, 342, 513, 570, 855, 1026, 1710, 2565, 4177, 5130, 8354, 12531, 20885, 25062, 37593, 41770, 62655, 75186, 79363, 112779, 125310, 158726, 187965, 225558, 238089, 375930, 396815, 476178, 563895, 714267, 793630, 1127790, 1190445, 1428534, 2142801, 2380890, 3571335, 4285602, 7142670, 10714005, 21428010]

約数ペア:

[(1, 21428010), (2, 10714005), (3, 7142670), (5, 4285602), (6, 3571335), (9, 2380890), (10, 2142801), (15, 1428534), (18, 1190445), (19, 1127790), (27, 793630), (30, 714267), (38, 563895), (45, 476178), (54, 396815), (57, 375930), (90, 238089), (95, 225558), (114, 187965), (135, 158726), (171, 125310), (190, 112779), (270, 79363), (285, 75186), (342, 62655), (513, 41770), (570, 37593), (855, 25062), (1026, 20885), (1710, 12531), (2565, 8354), (4177, 5130)]