21106260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{2393}}^1$

素因数の和:2422

約数の個数: 108

約数和(自身を含む): 74506068

約数和(自身を除く): 53399808

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2393, 2940, 4410, 4786, 7179, 8820, 9572, 11965, 14358, 16751, 21537, 23930, 28716, 33502, 35895, 43074, 47860, 50253, 67004, 71790, 83755, 86148, 100506, 107685, 117257, 143580, 150759, 167510, 201012, 215370, 234514, 251265, 301518, 335020, 351771, 430740, 469028, 502530, 586285, 603036, 703542, 753795, 1005060, 1055313, 1172570, 1407084, 1507590, 1758855, 2110626, 2345140, 3015180, 3517710, 4221252, 5276565, 7035420, 10553130, 21106260]

約数ペア:

[(1, 21106260), (2, 10553130), (3, 7035420), (4, 5276565), (5, 4221252), (6, 3517710), (7, 3015180), (9, 2345140), (10, 2110626), (12, 1758855), (14, 1507590), (15, 1407084), (18, 1172570), (20, 1055313), (21, 1005060), (28, 753795), (30, 703542), (35, 603036), (36, 586285), (42, 502530), (45, 469028), (49, 430740), (60, 351771), (63, 335020), (70, 301518), (84, 251265), (90, 234514), (98, 215370), (105, 201012), (126, 167510), (140, 150759), (147, 143580), (180, 117257), (196, 107685), (210, 100506), (245, 86148), (252, 83755), (294, 71790), (315, 67004), (420, 50253), (441, 47860), (490, 43074), (588, 35895), (630, 33502), (735, 28716), (882, 23930), (980, 21537), (1260, 16751), (1470, 14358), (1764, 11965), (2205, 9572), (2393, 8820), (2940, 7179), (4410, 4786)]