21133710

素因数分解:

$2^1\times 3^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1$

素因数の和:261

約数の個数: 112

約数和(自身を含む): 61697664

約数和(自身を除く): 40563954

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 81, 90, 117, 130, 135, 162, 195, 223, 234, 243, 270, 351, 390, 405, 446, 486, 585, 669, 702, 729, 810, 1053, 1115, 1170, 1215, 1338, 1458, 1755, 2007, 2106, 2230, 2430, 2899, 3159, 3345, 3510, 3645, 4014, 5265, 5798, 6021, 6318, 6690, 7290, 8697, 9477, 10035, 10530, 12042, 14495, 15795, 17394, 18063, 18954, 20070, 26091, 28990, 30105, 31590, 36126, 43485, 47385, 52182, 54189, 60210, 78273, 86970, 90315, 94770, 108378, 130455, 156546, 162567, 180630, 234819, 260910, 270945, 325134, 391365, 469638, 541890, 704457, 782730, 812835, 1174095, 1408914, 1625670, 2113371, 2348190, 3522285, 4226742, 7044570, 10566855, 21133710]

約数ペア:

[(1, 21133710), (2, 10566855), (3, 7044570), (5, 4226742), (6, 3522285), (9, 2348190), (10, 2113371), (13, 1625670), (15, 1408914), (18, 1174095), (26, 812835), (27, 782730), (30, 704457), (39, 541890), (45, 469638), (54, 391365), (65, 325134), (78, 270945), (81, 260910), (90, 234819), (117, 180630), (130, 162567), (135, 156546), (162, 130455), (195, 108378), (223, 94770), (234, 90315), (243, 86970), (270, 78273), (351, 60210), (390, 54189), (405, 52182), (446, 47385), (486, 43485), (585, 36126), (669, 31590), (702, 30105), (729, 28990), (810, 26091), (1053, 20070), (1115, 18954), (1170, 18063), (1215, 17394), (1338, 15795), (1458, 14495), (1755, 12042), (2007, 10530), (2106, 10035), (2230, 9477), (2430, 8697), (2899, 7290), (3159, 6690), (3345, 6318), (3510, 6021), (3645, 5798), (4014, 5265)]