21950040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{3733}}^1$

素因数の和:3761

約数の個数: 96

約数和(自身を含む): 76621680

約数和(自身を除く): 54671640

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, 3733, 5880, 7466, 11199, 14932, 18665, 22398, 26131, 29864, 37330, 44796, 52262, 55995, 74660, 78393, 89592, 104524, 111990, 130655, 149320, 156786, 182917, 209048, 223980, 261310, 313572, 365834, 391965, 447960, 522620, 548751, 627144, 731668, 783930, 914585, 1045240, 1097502, 1463336, 1567860, 1829170, 2195004, 2743755, 3135720, 3658340, 4390008, 5487510, 7316680, 10975020, 21950040]

約数ペア:

[(1, 21950040), (2, 10975020), (3, 7316680), (4, 5487510), (5, 4390008), (6, 3658340), (7, 3135720), (8, 2743755), (10, 2195004), (12, 1829170), (14, 1567860), (15, 1463336), (20, 1097502), (21, 1045240), (24, 914585), (28, 783930), (30, 731668), (35, 627144), (40, 548751), (42, 522620), (49, 447960), (56, 391965), (60, 365834), (70, 313572), (84, 261310), (98, 223980), (105, 209048), (120, 182917), (140, 156786), (147, 149320), (168, 130655), (196, 111990), (210, 104524), (245, 89592), (280, 78393), (294, 74660), (392, 55995), (420, 52262), (490, 44796), (588, 37330), (735, 29864), (840, 26131), (980, 22398), (1176, 18665), (1470, 14932), (1960, 11199), (2940, 7466), (3733, 5880)]