21221460

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3023}}^1$

素因数の和:3054

約数の個数: 96

約数和(自身を含む): 71124480

約数和(自身を除く): 49903020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 180, 195, 234, 260, 270, 351, 390, 468, 540, 585, 702, 780, 1170, 1404, 1755, 2340, 3023, 3510, 6046, 7020, 9069, 12092, 15115, 18138, 27207, 30230, 36276, 39299, 45345, 54414, 60460, 78598, 81621, 90690, 108828, 117897, 136035, 157196, 163242, 181380, 196495, 235794, 272070, 326484, 353691, 392990, 408105, 471588, 544140, 589485, 707382, 785980, 816210, 1061073, 1178970, 1414764, 1632420, 1768455, 2122146, 2357940, 3536910, 4244292, 5305365, 7073820, 10610730, 21221460]

約数ペア:

[(1, 21221460), (2, 10610730), (3, 7073820), (4, 5305365), (5, 4244292), (6, 3536910), (9, 2357940), (10, 2122146), (12, 1768455), (13, 1632420), (15, 1414764), (18, 1178970), (20, 1061073), (26, 816210), (27, 785980), (30, 707382), (36, 589485), (39, 544140), (45, 471588), (52, 408105), (54, 392990), (60, 353691), (65, 326484), (78, 272070), (90, 235794), (108, 196495), (117, 181380), (130, 163242), (135, 157196), (156, 136035), (180, 117897), (195, 108828), (234, 90690), (260, 81621), (270, 78598), (351, 60460), (390, 54414), (468, 45345), (540, 39299), (585, 36276), (702, 30230), (780, 27207), (1170, 18138), (1404, 15115), (1755, 12092), (2340, 9069), (3023, 7020), (3510, 6046)]