21419460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6263}}^1$

素因数の和:6297

約数の個数: 72

約数和(自身を含む): 68402880

約数和(自身を除く): 46983420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 6263, 12526, 18789, 25052, 31315, 37578, 56367, 62630, 75156, 93945, 112734, 118997, 125260, 187890, 225468, 237994, 281835, 356991, 375780, 475988, 563670, 594985, 713982, 1070973, 1127340, 1189970, 1427964, 1784955, 2141946, 2379940, 3569910, 4283892, 5354865, 7139820, 10709730, 21419460]

約数ペア:

[(1, 21419460), (2, 10709730), (3, 7139820), (4, 5354865), (5, 4283892), (6, 3569910), (9, 2379940), (10, 2141946), (12, 1784955), (15, 1427964), (18, 1189970), (19, 1127340), (20, 1070973), (30, 713982), (36, 594985), (38, 563670), (45, 475988), (57, 375780), (60, 356991), (76, 281835), (90, 237994), (95, 225468), (114, 187890), (171, 125260), (180, 118997), (190, 112734), (228, 93945), (285, 75156), (342, 62630), (380, 56367), (570, 37578), (684, 31315), (855, 25052), (1140, 18789), (1710, 12526), (3420, 6263)]