21092610

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1$

素因数の和:448

約数の個数: 128

約数和(自身を含む): 66023424

約数和(自身を除く): 44930814

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 23, 30, 33, 35, 42, 46, 55, 66, 69, 70, 77, 105, 110, 115, 138, 154, 161, 165, 210, 230, 231, 253, 322, 330, 345, 385, 397, 462, 483, 506, 690, 759, 770, 794, 805, 966, 1155, 1191, 1265, 1518, 1610, 1771, 1985, 2310, 2382, 2415, 2530, 2779, 3542, 3795, 3970, 4367, 4830, 5313, 5558, 5955, 7590, 8337, 8734, 8855, 9131, 10626, 11910, 13101, 13895, 16674, 17710, 18262, 21835, 26202, 26565, 27393, 27790, 30569, 41685, 43670, 45655, 53130, 54786, 61138, 63917, 65505, 83370, 91310, 91707, 100441, 127834, 131010, 136965, 152845, 183414, 191751, 200882, 273930, 301323, 305690, 319585, 383502, 458535, 502205, 602646, 639170, 703087, 917070, 958755, 1004410, 1406174, 1506615, 1917510, 2109261, 3013230, 3515435, 4218522, 7030870, 10546305, 21092610]

約数ペア:

[(1, 21092610), (2, 10546305), (3, 7030870), (5, 4218522), (6, 3515435), (7, 3013230), (10, 2109261), (11, 1917510), (14, 1506615), (15, 1406174), (21, 1004410), (22, 958755), (23, 917070), (30, 703087), (33, 639170), (35, 602646), (42, 502205), (46, 458535), (55, 383502), (66, 319585), (69, 305690), (70, 301323), (77, 273930), (105, 200882), (110, 191751), (115, 183414), (138, 152845), (154, 136965), (161, 131010), (165, 127834), (210, 100441), (230, 91707), (231, 91310), (253, 83370), (322, 65505), (330, 63917), (345, 61138), (385, 54786), (397, 53130), (462, 45655), (483, 43670), (506, 41685), (690, 30569), (759, 27790), (770, 27393), (794, 26565), (805, 26202), (966, 21835), (1155, 18262), (1191, 17710), (1265, 16674), (1518, 13895), (1610, 13101), (1771, 11910), (1985, 10626), (2310, 9131), (2382, 8855), (2415, 8734), (2530, 8337), (2779, 7590), (3542, 5955), (3795, 5558), (3970, 5313), (4367, 4830)]