21418176

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{8581}}^1$

素因数の和:8609

約数の個数: 56

約数和(自身を含む): 61035184

約数和(自身を除く): 39617008

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 156, 192, 208, 312, 416, 624, 832, 1248, 2496, 8581, 17162, 25743, 34324, 51486, 68648, 102972, 111553, 137296, 205944, 223106, 274592, 334659, 411888, 446212, 549184, 669318, 823776, 892424, 1338636, 1647552, 1784848, 2677272, 3569696, 5354544, 7139392, 10709088, 21418176]

約数ペア:

[(1, 21418176), (2, 10709088), (3, 7139392), (4, 5354544), (6, 3569696), (8, 2677272), (12, 1784848), (13, 1647552), (16, 1338636), (24, 892424), (26, 823776), (32, 669318), (39, 549184), (48, 446212), (52, 411888), (64, 334659), (78, 274592), (96, 223106), (104, 205944), (156, 137296), (192, 111553), (208, 102972), (312, 68648), (416, 51486), (624, 34324), (832, 25743), (1248, 17162), (2496, 8581)]