21068040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{3583}}^1$

素因数の和:3611

約数の個数: 96

約数和(自身を含む): 73543680

約数和(自身を除く): 52475640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 3583, 5880, 7166, 10749, 14332, 17915, 21498, 25081, 28664, 35830, 42996, 50162, 53745, 71660, 75243, 85992, 100324, 107490, 125405, 143320, 150486, 175567, 200648, 214980, 250810, 300972, 351134, 376215, 429960, 501620, 526701, 601944, 702268, 752430, 877835, 1003240, 1053402, 1404536, 1504860, 1755670, 2106804, 2633505, 3009720, 3511340, 4213608, 5267010, 7022680, 10534020, 21068040]

約数ペア:

[(1, 21068040), (2, 10534020), (3, 7022680), (4, 5267010), (5, 4213608), (6, 3511340), (7, 3009720), (8, 2633505), (10, 2106804), (12, 1755670), (14, 1504860), (15, 1404536), (20, 1053402), (21, 1003240), (24, 877835), (28, 752430), (30, 702268), (35, 601944), (40, 526701), (42, 501620), (49, 429960), (56, 376215), (60, 351134), (70, 300972), (84, 250810), (98, 214980), (105, 200648), (120, 175567), (140, 150486), (147, 143320), (168, 125405), (196, 107490), (210, 100324), (245, 85992), (280, 75243), (294, 71660), (392, 53745), (420, 50162), (490, 42996), (588, 35830), (735, 28664), (840, 25081), (980, 21498), (1176, 17915), (1470, 14332), (1960, 10749), (2940, 7166), (3583, 5880)]