21514920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{3659}}^1$

素因数の和:3687

約数の個数: 96

約数和(自身を含む): 75103200

約数和(自身を除く): 53588280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 3659, 5880, 7318, 10977, 14636, 18295, 21954, 25613, 29272, 36590, 43908, 51226, 54885, 73180, 76839, 87816, 102452, 109770, 128065, 146360, 153678, 179291, 204904, 219540, 256130, 307356, 358582, 384195, 439080, 512260, 537873, 614712, 717164, 768390, 896455, 1024520, 1075746, 1434328, 1536780, 1792910, 2151492, 2689365, 3073560, 3585820, 4302984, 5378730, 7171640, 10757460, 21514920]

約数ペア:

[(1, 21514920), (2, 10757460), (3, 7171640), (4, 5378730), (5, 4302984), (6, 3585820), (7, 3073560), (8, 2689365), (10, 2151492), (12, 1792910), (14, 1536780), (15, 1434328), (20, 1075746), (21, 1024520), (24, 896455), (28, 768390), (30, 717164), (35, 614712), (40, 537873), (42, 512260), (49, 439080), (56, 384195), (60, 358582), (70, 307356), (84, 256130), (98, 219540), (105, 204904), (120, 179291), (140, 153678), (147, 146360), (168, 128065), (196, 109770), (210, 102452), (245, 87816), (280, 76839), (294, 73180), (392, 54885), (420, 51226), (490, 43908), (588, 36590), (735, 29272), (840, 25613), (980, 21954), (1176, 18295), (1470, 14636), (1960, 10977), (2940, 7318), (3659, 5880)]