21953880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4691}}^1$

素因数の和:4721

約数の個数: 96

約数和(自身を含む): 76854960

約数和(自身を除く): 54901080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4680, 4691, 9382, 14073, 18764, 23455, 28146, 37528, 42219, 46910, 56292, 60983, 70365, 84438, 93820, 112584, 121966, 140730, 168876, 182949, 187640, 211095, 243932, 281460, 304915, 337752, 365898, 422190, 487864, 548847, 562920, 609830, 731796, 844380, 914745, 1097694, 1219660, 1463592, 1688760, 1829490, 2195388, 2439320, 2744235, 3658980, 4390776, 5488470, 7317960, 10976940, 21953880]

約数ペア:

[(1, 21953880), (2, 10976940), (3, 7317960), (4, 5488470), (5, 4390776), (6, 3658980), (8, 2744235), (9, 2439320), (10, 2195388), (12, 1829490), (13, 1688760), (15, 1463592), (18, 1219660), (20, 1097694), (24, 914745), (26, 844380), (30, 731796), (36, 609830), (39, 562920), (40, 548847), (45, 487864), (52, 422190), (60, 365898), (65, 337752), (72, 304915), (78, 281460), (90, 243932), (104, 211095), (117, 187640), (120, 182949), (130, 168876), (156, 140730), (180, 121966), (195, 112584), (234, 93820), (260, 84438), (312, 70365), (360, 60983), (390, 56292), (468, 46910), (520, 42219), (585, 37528), (780, 28146), (936, 23455), (1170, 18764), (1560, 14073), (2340, 9382), (4680, 4691)]