21918060

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1097}}^1$

素因数の和:1152

約数の個数: 96

約数和(自身を含む): 70096320

約数和(自身を除く): 48178260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 74, 90, 108, 111, 135, 148, 180, 185, 222, 270, 333, 370, 444, 540, 555, 666, 740, 999, 1097, 1110, 1332, 1665, 1998, 2194, 2220, 3291, 3330, 3996, 4388, 4995, 5485, 6582, 6660, 9873, 9990, 10970, 13164, 16455, 19746, 19980, 21940, 29619, 32910, 39492, 40589, 49365, 59238, 65820, 81178, 98730, 118476, 121767, 148095, 162356, 197460, 202945, 243534, 296190, 365301, 405890, 487068, 592380, 608835, 730602, 811780, 1095903, 1217670, 1461204, 1826505, 2191806, 2435340, 3653010, 4383612, 5479515, 7306020, 10959030, 21918060]

約数ペア:

[(1, 21918060), (2, 10959030), (3, 7306020), (4, 5479515), (5, 4383612), (6, 3653010), (9, 2435340), (10, 2191806), (12, 1826505), (15, 1461204), (18, 1217670), (20, 1095903), (27, 811780), (30, 730602), (36, 608835), (37, 592380), (45, 487068), (54, 405890), (60, 365301), (74, 296190), (90, 243534), (108, 202945), (111, 197460), (135, 162356), (148, 148095), (180, 121767), (185, 118476), (222, 98730), (270, 81178), (333, 65820), (370, 59238), (444, 49365), (540, 40589), (555, 39492), (666, 32910), (740, 29619), (999, 21940), (1097, 19980), (1110, 19746), (1332, 16455), (1665, 13164), (1998, 10970), (2194, 9990), (2220, 9873), (3291, 6660), (3330, 6582), (3996, 5485), (4388, 4995)]