21373344

素因数分解:

$2^5\times 3^2\times {\mathrm{47}}^1\times {\mathrm{1579}}^1$

素因数の和:1642

約数の個数: 72

約数和(自身を含む): 62112960

約数和(自身を除く): 40739616

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 47, 48, 72, 94, 96, 141, 144, 188, 282, 288, 376, 423, 564, 752, 846, 1128, 1504, 1579, 1692, 2256, 3158, 3384, 4512, 4737, 6316, 6768, 9474, 12632, 13536, 14211, 18948, 25264, 28422, 37896, 50528, 56844, 74213, 75792, 113688, 148426, 151584, 222639, 227376, 296852, 445278, 454752, 593704, 667917, 890556, 1187408, 1335834, 1781112, 2374816, 2671668, 3562224, 5343336, 7124448, 10686672, 21373344]

約数ペア:

[(1, 21373344), (2, 10686672), (3, 7124448), (4, 5343336), (6, 3562224), (8, 2671668), (9, 2374816), (12, 1781112), (16, 1335834), (18, 1187408), (24, 890556), (32, 667917), (36, 593704), (47, 454752), (48, 445278), (72, 296852), (94, 227376), (96, 222639), (141, 151584), (144, 148426), (188, 113688), (282, 75792), (288, 74213), (376, 56844), (423, 50528), (564, 37896), (752, 28422), (846, 25264), (1128, 18948), (1504, 14211), (1579, 13536), (1692, 12632), (2256, 9474), (3158, 6768), (3384, 6316), (4512, 4737)]