21908340

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1399}}^1$

素因数の和:1446

約数の個数: 96

約数和(自身を含む): 70560000

約数和(自身を除く): 48651660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 87, 90, 108, 116, 135, 145, 174, 180, 261, 270, 290, 348, 435, 522, 540, 580, 783, 870, 1044, 1305, 1399, 1566, 1740, 2610, 2798, 3132, 3915, 4197, 5220, 5596, 6995, 7830, 8394, 12591, 13990, 15660, 16788, 20985, 25182, 27980, 37773, 40571, 41970, 50364, 62955, 75546, 81142, 83940, 121713, 125910, 151092, 162284, 188865, 202855, 243426, 251820, 365139, 377730, 405710, 486852, 608565, 730278, 755460, 811420, 1095417, 1217130, 1460556, 1825695, 2190834, 2434260, 3651390, 4381668, 5477085, 7302780, 10954170, 21908340]

約数ペア:

[(1, 21908340), (2, 10954170), (3, 7302780), (4, 5477085), (5, 4381668), (6, 3651390), (9, 2434260), (10, 2190834), (12, 1825695), (15, 1460556), (18, 1217130), (20, 1095417), (27, 811420), (29, 755460), (30, 730278), (36, 608565), (45, 486852), (54, 405710), (58, 377730), (60, 365139), (87, 251820), (90, 243426), (108, 202855), (116, 188865), (135, 162284), (145, 151092), (174, 125910), (180, 121713), (261, 83940), (270, 81142), (290, 75546), (348, 62955), (435, 50364), (522, 41970), (540, 40571), (580, 37773), (783, 27980), (870, 25182), (1044, 20985), (1305, 16788), (1399, 15660), (1566, 13990), (1740, 12591), (2610, 8394), (2798, 7830), (3132, 6995), (3915, 5596), (4197, 5220)]