21856224

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1$

素因数の和:320

約数の個数: 96

約数和(自身を含む): 62826624

約数和(自身を除く): 40970400

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 83, 96, 104, 156, 166, 208, 211, 249, 312, 332, 416, 422, 498, 624, 633, 664, 844, 996, 1079, 1248, 1266, 1328, 1688, 1992, 2158, 2532, 2656, 2743, 3237, 3376, 3984, 4316, 5064, 5486, 6474, 6752, 7968, 8229, 8632, 10128, 10972, 12948, 16458, 17264, 17513, 20256, 21944, 25896, 32916, 34528, 35026, 43888, 51792, 52539, 65832, 70052, 87776, 103584, 105078, 131664, 140104, 210156, 227669, 263328, 280208, 420312, 455338, 560416, 683007, 840624, 910676, 1366014, 1681248, 1821352, 2732028, 3642704, 5464056, 7285408, 10928112, 21856224]

約数ペア:

[(1, 21856224), (2, 10928112), (3, 7285408), (4, 5464056), (6, 3642704), (8, 2732028), (12, 1821352), (13, 1681248), (16, 1366014), (24, 910676), (26, 840624), (32, 683007), (39, 560416), (48, 455338), (52, 420312), (78, 280208), (83, 263328), (96, 227669), (104, 210156), (156, 140104), (166, 131664), (208, 105078), (211, 103584), (249, 87776), (312, 70052), (332, 65832), (416, 52539), (422, 51792), (498, 43888), (624, 35026), (633, 34528), (664, 32916), (844, 25896), (996, 21944), (1079, 20256), (1248, 17513), (1266, 17264), (1328, 16458), (1688, 12948), (1992, 10972), (2158, 10128), (2532, 8632), (2656, 8229), (2743, 7968), (3237, 6752), (3376, 6474), (3984, 5486), (4316, 5064)]