21193380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3019}}^1$

素因数の和:3050

約数の個数: 96

約数和(自身を含む): 71030400

約数和(自身を除く): 49837020

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, 3019, 3510, 6038, 7020, 9057, 12076, 15095, 18114, 27171, 30190, 36228, 39247, 45285, 54342, 60380, 78494, 81513, 90570, 108684, 117741, 135855, 156988, 163026, 181140, 196235, 235482, 271710, 326052, 353223, 392470, 407565, 470964, 543420, 588705, 706446, 784940, 815130, 1059669, 1177410, 1412892, 1630260, 1766115, 2119338, 2354820, 3532230, 4238676, 5298345, 7064460, 10596690, 21193380]

約数ペア:

[(1, 21193380), (2, 10596690), (3, 7064460), (4, 5298345), (5, 4238676), (6, 3532230), (9, 2354820), (10, 2119338), (12, 1766115), (13, 1630260), (15, 1412892), (18, 1177410), (20, 1059669), (26, 815130), (27, 784940), (30, 706446), (36, 588705), (39, 543420), (45, 470964), (52, 407565), (54, 392470), (60, 353223), (65, 326052), (78, 271710), (90, 235482), (108, 196235), (117, 181140), (130, 163026), (135, 156988), (156, 135855), (180, 117741), (195, 108684), (234, 90570), (260, 81513), (270, 78494), (351, 60380), (390, 54342), (468, 45285), (540, 39247), (585, 36228), (702, 30190), (780, 27171), (1170, 18114), (1404, 15095), (1755, 12076), (2340, 9057), (3019, 7020), (3510, 6038)]