21324030

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:210

約数の個数: 128

約数和(自身を含む): 64447488

約数和(自身を除く): 43123458

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 73, 78, 91, 105, 107, 130, 146, 182, 195, 210, 214, 219, 273, 321, 365, 390, 438, 455, 511, 535, 546, 642, 730, 749, 910, 949, 1022, 1070, 1095, 1365, 1391, 1498, 1533, 1605, 1898, 2190, 2247, 2555, 2730, 2782, 2847, 3066, 3210, 3745, 4173, 4494, 4745, 5110, 5694, 6643, 6955, 7490, 7665, 7811, 8346, 9490, 9737, 11235, 13286, 13910, 14235, 15330, 15622, 19474, 19929, 20865, 22470, 23433, 28470, 29211, 33215, 39055, 39858, 41730, 46866, 48685, 54677, 58422, 66430, 78110, 97370, 99645, 101543, 109354, 117165, 146055, 164031, 199290, 203086, 234330, 273385, 292110, 304629, 328062, 507715, 546770, 609258, 710801, 820155, 1015430, 1421602, 1523145, 1640310, 2132403, 3046290, 3554005, 4264806, 7108010, 10662015, 21324030]

約数ペア:

[(1, 21324030), (2, 10662015), (3, 7108010), (5, 4264806), (6, 3554005), (7, 3046290), (10, 2132403), (13, 1640310), (14, 1523145), (15, 1421602), (21, 1015430), (26, 820155), (30, 710801), (35, 609258), (39, 546770), (42, 507715), (65, 328062), (70, 304629), (73, 292110), (78, 273385), (91, 234330), (105, 203086), (107, 199290), (130, 164031), (146, 146055), (182, 117165), (195, 109354), (210, 101543), (214, 99645), (219, 97370), (273, 78110), (321, 66430), (365, 58422), (390, 54677), (438, 48685), (455, 46866), (511, 41730), (535, 39858), (546, 39055), (642, 33215), (730, 29211), (749, 28470), (910, 23433), (949, 22470), (1022, 20865), (1070, 19929), (1095, 19474), (1365, 15622), (1391, 15330), (1498, 14235), (1533, 13910), (1605, 13286), (1898, 11235), (2190, 9737), (2247, 9490), (2555, 8346), (2730, 7811), (2782, 7665), (2847, 7490), (3066, 6955), (3210, 6643), (3745, 5694), (4173, 5110), (4494, 4745)]