21708060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1061}}^1$

素因数の和:1115

約数の個数: 96

約数和(自身を含む): 68511744

約数和(自身を除く): 46803684

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 31, 33, 44, 55, 60, 62, 66, 93, 110, 124, 132, 155, 165, 186, 220, 310, 330, 341, 372, 465, 620, 660, 682, 930, 1023, 1061, 1364, 1705, 1860, 2046, 2122, 3183, 3410, 4092, 4244, 5115, 5305, 6366, 6820, 10230, 10610, 11671, 12732, 15915, 20460, 21220, 23342, 31830, 32891, 35013, 46684, 58355, 63660, 65782, 70026, 98673, 116710, 131564, 140052, 164455, 175065, 197346, 233420, 328910, 350130, 361801, 394692, 493365, 657820, 700260, 723602, 986730, 1085403, 1447204, 1809005, 1973460, 2170806, 3618010, 4341612, 5427015, 7236020, 10854030, 21708060]

約数ペア:

[(1, 21708060), (2, 10854030), (3, 7236020), (4, 5427015), (5, 4341612), (6, 3618010), (10, 2170806), (11, 1973460), (12, 1809005), (15, 1447204), (20, 1085403), (22, 986730), (30, 723602), (31, 700260), (33, 657820), (44, 493365), (55, 394692), (60, 361801), (62, 350130), (66, 328910), (93, 233420), (110, 197346), (124, 175065), (132, 164455), (155, 140052), (165, 131564), (186, 116710), (220, 98673), (310, 70026), (330, 65782), (341, 63660), (372, 58355), (465, 46684), (620, 35013), (660, 32891), (682, 31830), (930, 23342), (1023, 21220), (1061, 20460), (1364, 15915), (1705, 12732), (1860, 11671), (2046, 10610), (2122, 10230), (3183, 6820), (3410, 6366), (4092, 5305), (4244, 5115)]