21874461

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{863}}^1$

素因数の和:961

約数の個数: 32

約数和(自身を含む): 35831808

約数和(自身を除く): 13957347

約数列:

[1, 3, 7, 17, 21, 51, 71, 119, 213, 357, 497, 863, 1207, 1491, 2589, 3621, 6041, 8449, 14671, 18123, 25347, 44013, 61273, 102697, 183819, 308091, 428911, 1041641, 1286733, 3124923, 7291487, 21874461]

約数ペア:

[(1, 21874461), (3, 7291487), (7, 3124923), (17, 1286733), (21, 1041641), (51, 428911), (71, 308091), (119, 183819), (213, 102697), (357, 61273), (497, 44013), (863, 25347), (1207, 18123), (1491, 14671), (2589, 8449), (3621, 6041)]