21590340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{347}}^1$

素因数の和:437

約数の個数: 96

約数和(自身を含む): 65245824

約数和(自身を除く): 43655484

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 61, 68, 85, 102, 122, 170, 183, 204, 244, 255, 305, 340, 347, 366, 510, 610, 694, 732, 915, 1020, 1037, 1041, 1220, 1388, 1735, 1830, 2074, 2082, 3111, 3470, 3660, 4148, 4164, 5185, 5205, 5899, 6222, 6940, 10370, 10410, 11798, 12444, 15555, 17697, 20740, 20820, 21167, 23596, 29495, 31110, 35394, 42334, 58990, 62220, 63501, 70788, 84668, 88485, 105835, 117980, 127002, 176970, 211670, 254004, 317505, 353940, 359839, 423340, 635010, 719678, 1079517, 1270020, 1439356, 1799195, 2159034, 3598390, 4318068, 5397585, 7196780, 10795170, 21590340]

約数ペア:

[(1, 21590340), (2, 10795170), (3, 7196780), (4, 5397585), (5, 4318068), (6, 3598390), (10, 2159034), (12, 1799195), (15, 1439356), (17, 1270020), (20, 1079517), (30, 719678), (34, 635010), (51, 423340), (60, 359839), (61, 353940), (68, 317505), (85, 254004), (102, 211670), (122, 176970), (170, 127002), (183, 117980), (204, 105835), (244, 88485), (255, 84668), (305, 70788), (340, 63501), (347, 62220), (366, 58990), (510, 42334), (610, 35394), (694, 31110), (732, 29495), (915, 23596), (1020, 21167), (1037, 20820), (1041, 20740), (1220, 17697), (1388, 15555), (1735, 12444), (1830, 11798), (2074, 10410), (2082, 10370), (3111, 6940), (3470, 6222), (3660, 5899), (4148, 5205), (4164, 5185)]