21974940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9391}}^1$

素因数の和:9419

約数の個数: 72

約数和(自身を含む): 71792448

約数和(自身を除く): 49817508

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 9391, 18782, 28173, 37564, 46955, 56346, 84519, 93910, 112692, 122083, 140865, 169038, 187820, 244166, 281730, 338076, 366249, 422595, 488332, 563460, 610415, 732498, 845190, 1098747, 1220830, 1464996, 1690380, 1831245, 2197494, 2441660, 3662490, 4394988, 5493735, 7324980, 10987470, 21974940]

約数ペア:

[(1, 21974940), (2, 10987470), (3, 7324980), (4, 5493735), (5, 4394988), (6, 3662490), (9, 2441660), (10, 2197494), (12, 1831245), (13, 1690380), (15, 1464996), (18, 1220830), (20, 1098747), (26, 845190), (30, 732498), (36, 610415), (39, 563460), (45, 488332), (52, 422595), (60, 366249), (65, 338076), (78, 281730), (90, 244166), (117, 187820), (130, 169038), (156, 140865), (180, 122083), (195, 112692), (234, 93910), (260, 84519), (390, 56346), (468, 46955), (585, 37564), (780, 28173), (1170, 18782), (2340, 9391)]