21182910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5309}}^1$

素因数の和:5345

約数の個数: 64

約数和(自身を含む): 61171200

約数和(自身を除く): 39988290

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 285, 399, 570, 665, 798, 1330, 1995, 3990, 5309, 10618, 15927, 26545, 31854, 37163, 53090, 74326, 79635, 100871, 111489, 159270, 185815, 201742, 222978, 302613, 371630, 504355, 557445, 605226, 706097, 1008710, 1114890, 1412194, 1513065, 2118291, 3026130, 3530485, 4236582, 7060970, 10591455, 21182910]

約数ペア:

[(1, 21182910), (2, 10591455), (3, 7060970), (5, 4236582), (6, 3530485), (7, 3026130), (10, 2118291), (14, 1513065), (15, 1412194), (19, 1114890), (21, 1008710), (30, 706097), (35, 605226), (38, 557445), (42, 504355), (57, 371630), (70, 302613), (95, 222978), (105, 201742), (114, 185815), (133, 159270), (190, 111489), (210, 100871), (266, 79635), (285, 74326), (399, 53090), (570, 37163), (665, 31854), (798, 26545), (1330, 15927), (1995, 10618), (3990, 5309)]