21335340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1609}}^1$

素因数の和:1651

約数の個数: 96

約数和(自身を含む): 68160960

約数和(自身を除く): 46825620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 34, 39, 51, 52, 60, 65, 68, 78, 85, 102, 130, 156, 170, 195, 204, 221, 255, 260, 340, 390, 442, 510, 663, 780, 884, 1020, 1105, 1326, 1609, 2210, 2652, 3218, 3315, 4420, 4827, 6436, 6630, 8045, 9654, 13260, 16090, 19308, 20917, 24135, 27353, 32180, 41834, 48270, 54706, 62751, 82059, 83668, 96540, 104585, 109412, 125502, 136765, 164118, 209170, 251004, 273530, 313755, 328236, 355589, 410295, 418340, 547060, 627510, 711178, 820590, 1066767, 1255020, 1422356, 1641180, 1777945, 2133534, 3555890, 4267068, 5333835, 7111780, 10667670, 21335340]

約数ペア:

[(1, 21335340), (2, 10667670), (3, 7111780), (4, 5333835), (5, 4267068), (6, 3555890), (10, 2133534), (12, 1777945), (13, 1641180), (15, 1422356), (17, 1255020), (20, 1066767), (26, 820590), (30, 711178), (34, 627510), (39, 547060), (51, 418340), (52, 410295), (60, 355589), (65, 328236), (68, 313755), (78, 273530), (85, 251004), (102, 209170), (130, 164118), (156, 136765), (170, 125502), (195, 109412), (204, 104585), (221, 96540), (255, 83668), (260, 82059), (340, 62751), (390, 54706), (442, 48270), (510, 41834), (663, 32180), (780, 27353), (884, 24135), (1020, 20917), (1105, 19308), (1326, 16090), (1609, 13260), (2210, 9654), (2652, 8045), (3218, 6630), (3315, 6436), (4420, 4827)]